Chemistry Basics

Explore the fundamental concepts of chemistry and test your knowledge on matter, elements, compounds, and chemical bonds

Flashcards25 cardsFPractice quizPHost liveL

Questions 25

Answers

1
Water's high specific heat
Hydrogen bonds
Ionic bonds
Van der Waals
Covalent bonds
2
Surface tension related to
Adhesion
Cohesion
Density
Viscosity
3
Covalent bond involves
Gaining electrons
Sharing electrons
Transferring electrons
Losing electrons
4
Energy level of electrons
Electron shell
Proton number
Neutron count
Atomic mass
5
Ocean acidification cause
CO2 absorption
H2 absorption
O2 absorption
N2 absorption
6
pH of neutral solution
3
14
7
0
7
Electronegativity definition
Atomic mass
Neutral charge
Attraction for electrons
Repulsion of electrons
8
Photosynthesis reactants
CO2 and H2O
H2O and glucose
O2 and H2O
CO2 and O2
9
Define a compound
Non-chemical
Single element
No fixed ratio
Two or more elements
10
Ice floats because
More dense
Heavier
Less dense
Lighter
11
Isotopes differ in
Charge
Electrons
Protons
Neutrons
12
Water molecule polarity
Oxygen positive
Oxygen negative
Hydrogen negative
Hydrogen neutral
13
Hydrophilic substance
Affinity for water
Dissolves in oil
Neutral to water
Repels water
14
Ionic bond forms between
Two cations
Cation and anion
Two anions
Neutral atoms
15
Role of iodine in vertebrates
Vision
Bone growth
Thyroid activity
Muscle function
16
Evaporative cooling effect
Increases mass
Stabilizes temperature
Increases temperature
Decreases density
17
Sunflower plants detoxify
Pesticides
Heavy metals
Plastic
Oil
18
What is matter?
Has no mass
Nonexistent
Takes up space
Invisible
19
Cohesion in water
Covalent bonds
Hydrogen bonds
Van der Waals
Ionic bonds
20
Molecular shape importance
Function
Charge
Mass
Color
21
Hydrogen bond forms with
Negative ion
Electronegative atom
Neutral atom
Positive ion
22
Atomic number definition
Electrons in shell
Neutrons in nucleus
Protons in nucleus
Total mass
23
Van der Waals interactions
Ionic bonds
Distant molecules
Close molecules
Strong bonds
24
Valence electrons determine
Atomic mass
Neutron count
Proton number
Chemical behavior
25
Essential elements percentage
10%
20-25%
50%
75%

Chemistry Basics Flashcards | StudBud

Chemistry Basics

25 termsStudBud Administration6 plays

Explore the fundamental concepts of chemistry and test your knowledge on matter, elements, compounds, and chemical bonds

Flashcards25 cardsFPractice quizPHost liveL

Questions 25

Answers

1
Water's high specific heat
Hydrogen bonds
Ionic bonds
Van der Waals
Covalent bonds
2
Surface tension related to
Adhesion
Cohesion
Density
Viscosity
3
Covalent bond involves
Gaining electrons
Sharing electrons
Transferring electrons
Losing electrons
4
Energy level of electrons
Electron shell
Proton number
Neutron count
Atomic mass
5
Ocean acidification cause
CO2 absorption
H2 absorption
O2 absorption
N2 absorption
6
pH of neutral solution
3
14
7
0
7
Electronegativity definition
Atomic mass
Neutral charge
Attraction for electrons
Repulsion of electrons
8
Photosynthesis reactants
CO2 and H2O
H2O and glucose
O2 and H2O
CO2 and O2
9
Define a compound
Non-chemical
Single element
No fixed ratio
Two or more elements
10
Ice floats because
More dense
Heavier
Less dense
Lighter
11
Isotopes differ in
Charge
Electrons
Protons
Neutrons
12
Water molecule polarity
Oxygen positive
Oxygen negative
Hydrogen negative
Hydrogen neutral
13
Hydrophilic substance
Affinity for water
Dissolves in oil
Neutral to water
Repels water
14
Ionic bond forms between
Two cations
Cation and anion
Two anions
Neutral atoms
15
Role of iodine in vertebrates
Vision
Bone growth
Thyroid activity
Muscle function
16
Evaporative cooling effect
Increases mass
Stabilizes temperature
Increases temperature
Decreases density
17
Sunflower plants detoxify
Pesticides
Heavy metals
Plastic
Oil
18
What is matter?
Has no mass
Nonexistent
Takes up space
Invisible
19
Cohesion in water
Covalent bonds
Hydrogen bonds
Van der Waals
Ionic bonds
20
Molecular shape importance
Function
Charge
Mass
Color
21
Hydrogen bond forms with
Negative ion
Electronegative atom
Neutral atom
Positive ion
22
Atomic number definition
Electrons in shell
Neutrons in nucleus
Protons in nucleus
Total mass
23
Van der Waals interactions
Ionic bonds
Distant molecules
Close molecules
Strong bonds
24
Valence electrons determine
Atomic mass
Neutron count
Proton number
Chemical behavior
25
Essential elements percentage
10%
20-25%
50%
75%